“Comprehensive Meta-Analysis Version 2 is really an easy-to-use software. It offers you a broad range of statistical, analytical and graphic capabilities to ensure valid meta-analysis. It is accompanied by a self- explanatory manual and tutorial. For anyone considering a faster and complete performance of meta-analysis, this software would be a clear first choice. In addition, the book and the online course “Introduction to Meta-analysis” have been ideal resources in my case, for a complete understanding of this approach. Both strongly recommendable…!!!”

“CMA is a formidable tool for conducting sophisticated meta-analyses in the domain of cognitive and behavioral sciences. As an early adapter of CMA I am still amazed about its flexibility in data storing, data processing, and its many options for validity checks of meta-analytic outcomes such as trim-and-fill and other state-of-the-art ways to test the influence of unpublished papers. The flexibility of CMA to exchange data with Excel, SPSS, and other statistical software is a major asset. I also taught courses on meta-analysis with the student version of CMA available for the graduate students, and it has been a real success as CMA makes meta-analysis transparent as well as motivating for students with a basic training in statistics.”